🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 13.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,979,442 km

• M1: 171,589 km (0.092 R)
• M2: 620,532 km (0.116 R)
• M3: 1,349,373 km (0.041 R)
• M4: 2,146,131 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.8

Radius: 14.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.63 AU - 0.87 AU

Year: 433 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,979,442 km

• M1: 176,675 km (0.06 R)
• M2: 725,400 km (0.091 R)
• M3: 1,620,145 km (0.051 R)
• M4: 2,720,587 km (0.113 R)
• M5: 3,365,503 km (0.082 R)
• M6: 4,097,934 km (0.103 R)
• M7: 4,949,745 km (0.069 R)
• M8: 5,647,170 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 13.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.72 AU - 1.14 AU

Year: 598 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,979,442 km

• M1: 162,912 km (0.08 R)
• M2: 638,933 km (0.117 R)
• M3: 1,049,728 km (0.054 R)
• M4: 1,564,345 km (0.038 R)
• M5: 2,059,514 km (0.117 R)
• M6: 2,590,437 km (0.032 R)
• M7: 3,012,452 km (0.11 R)
• M8: 3,432,972 km (0.105 R)
• M9: 5,015,418 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 14.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.89 AU - 1.11 AU

Year: 667 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,979,442 km

• M1: 185,352 km (0.05 R)
• M2: 658,979 km (0.095 R)
• M3: 1,333,515 km (0.062 R)
• M4: 2,204,773 km (0.106 R)
• M5: 2,809,149 km (0.053 R)
• M6: 4,221,652 km (0.058 R)
• M7: 4,944,359 km (0.088 R)
• M8: 5,423,970 km (0.103 R)
• M9: 6,086,539 km (0.102 R)
• M10: 7,011,353 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 12.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.12 AU - 1.6 AU

Year: 1058 Days

Day: 14.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,979,442 km

• M1: 157,975 km (0.118 R)
• M2: 558,598 km (0.106 R)
• M3: 990,936 km (0.09 R)
• M4: 2,807,354 km (0.094 R)
• M5: 3,207,528 km (0.102 R)
• M6: 5,672,602 km (0.046 R)
• M7: 6,185,274 km (0.057 R)
• M8: 7,279,432 km (0.057 R)
• M9: 7,731,068 km (0.049 R)
• M10: 8,525,882 km (0.118 R)
• M11: 9,028,381 km (0.073 R)
• M12: 9,580,098 km (0.057 R)
• M13: 10,185,221 km (0.096 R)
• M14: 10,783,613 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.7

Radius: 11.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.16 AU - 1.8 AU

Year: 1201 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 175.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,979,442 km

• M1: 144,212 km (0.1 R)
• M2: 591,959 km (0.086 R)
• M3: 1,007,841 km (0.088 R)
• M4: 1,479,673 km (0.089 R)
• M5: 2,014,784 km (0.098 R)
• M6: 3,242,235 km (0.086 R)
• M7: 3,757,450 km (0.098 R)
• M8: 4,309,466 km (0.085 R)
• M9: 4,895,890 km (0.078 R)
• M10: 5,472,589 km (0.07 R)
• M11: 6,273,836 km (0.115 R)
• M12: 7,028,557 km (0.103 R)
• M13: 8,272,613 km (0.032 R)
• M14: 8,918,576 km (0.088 R)
• M15: 11,126,192 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.3

Radius: 4.4

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.96 AU - 6.64 AU

Year: 9315 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,979,442 km

• M1: 63,280 km (0.08 R)
• M2: 259,702 km (0.09 R)
• M3: 423,063 km (0.098 R)
• M4: 761,154 km (0.1 R)
• M5: 1,568,234 km (0.084 R)
• M6: 3,379,865 km (0.058 R)
• M7: 3,613,237 km (0.052 R)
• M8: 3,995,011 km (0.117 R)
• M9: 4,865,072 km (0.067 R)
• M10: 6,191,407 km (0.086 R)
• M11: 7,279,881 km (0.095 R)
• M12: 7,705,487 km (0.078 R)
• M13: 10,704,027 km (0.103 R)
• M14: 12,211,973 km (0.119 R)
• M15: 12,761,596 km (0.068 R)
• M16: 15,011,698 km (0.101 R)
• M17: 15,526,165 km (0.046 R)
• M18: 17,701,617 km (0.118 R)
• M19: 20,209,625 km (0.052 R)
• M20: 24,635,777 km (0.119 R)
• M21: 26,243,655 km (0.099 R)
• M22: 26,739,423 km (0.103 R)
• M23: 27,834,778 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.2

Radius: 5.2

Gravity: 21.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.9 AU - 7.72 AU

Year: 10570 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,979,442 km

• M1: 70,610 km (0.062 R)
• M2: 254,915 km (0.035 R)
• M3: 711,039 km (0.113 R)
• M4: 935,735 km (0.104 R)
• M5: 1,172,249 km (0.094 R)
• M6: 1,660,088 km (0.105 R)
• M7: 2,008,800 km (0.083 R)
• M8: 2,310,539 km (0.119 R)
• M9: 2,724,476 km (0.058 R)
• M10: 3,597,380 km (0.12 R)
• M11: 3,776,598 km (0.038 R)
• M12: 4,494,967 km (0.044 R)
• M13: 5,703,120 km (0.113 R)
• M14: 6,161,936 km (0.099 R)
• M15: 6,381,845 km (0.119 R)
• M16: 6,954,655 km (0.069 R)
• M17: 8,158,170 km (0.056 R)
• M18: 8,878,634 km (0.108 R)
• M19: 12,072,698 km (0.096 R)
• M20: 12,946,649 km (0.104 R)
• M21: 15,482,632 km (0.037 R)
• M22: 18,939,988 km (0.034 R)
• M23: 24,946,343 km (0.092 R)
• M24: 25,977,820 km (0.116 R)
• M25: 26,648,766 km (0.097 R)
• M26: 28,832,746 km (0.095 R)
• M27: 29,759,504 km (0.11 R)
• M28: 35,156,397 km (0.117 R)
• M29: 35,506,606 km (0.089 R)
• M30: 36,930,478 km (0.081 R)
• M31: 39,012,133 km (0.11 R)
• M32: 42,082,180 km (0.091 R)
• M33: 43,945,422 km (0.103 R)
• M34: 45,585,613 km (0.091 R)
• M35: 46,280,944 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.5

Radius: 3.2

Gravity: 94.97 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.37 AU - 9.69 AU

Year: 15174 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,979,442 km

• M1: 39,793 km (0.066 R)
• M2: 139,724 km (0.036 R)
• M3: 247,734 km (0.094 R)
• M4: 600,037 km (0.06 R)
• M5: 756,367 km (0.119 R)
• M6: 916,137 km (0.113 R)
• M7: 1,348,026 km (0.109 R)
• M8: 1,518,418 km (0.099 R)
• M9: 1,865,037 km (0.113 R)
• M10: 2,883,798 km (0.06 R)
• M11: 3,036,238 km (0.094 R)
• M12: 4,868,663 km (0.114 R)
• M13: 5,048,330 km (0.075 R)
• M14: 5,536,318 km (0.087 R)
• M15: 5,653,304 km (0.102 R)
• M16: 8,051,058 km (0.108 R)
• M17: 9,250,833 km (0.061 R)
• M18: 9,360,488 km (0.119 R)
• M19: 9,526,692 km (0.055 R)
• M20: 10,745,017 km (0.094 R)
• M21: 11,360,014 km (0.071 R)
• M22: 11,549,105 km (0.087 R)
• M23: 11,998,348 km (0.071 R)
• M24: 17,648,958 km (0.099 R)
• M25: 30,638,242 km (0.105 R)
• M26: 34,564,289 km (0.119 R)
• M27: 36,305,758 km (0.119 R)
• M28: 36,715,805 km (0.081 R)
• M29: 39,672,907 km (0.07 R)
• M30: 43,395,500 km (0.108 R)
• M31: 52,216,688 km (0.092 R)
• M32: 53,971,321 km (0.103 R)
• M33: 55,403,123 km (0.05 R)
• M34: 55,765,000 km (0.097 R)
• M35: 58,716,715 km (0.094 R)
• M36: 59,281,447 km (0.095 R)
• M37: 62,355,085 km (0.053 R)
• M38: 67,986,398 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.8

Radius: 3.7

Gravity: 17.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.54 AU - 10.02 AU

Year: 18852 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,979,442 km

• M1: 46,076 km (0.051 R)
• M2: 207,642 km (0.054 R)
• M3: 391,049 km (0.079 R)
• M4: 576,700 km (0.035 R)
• M5: 1,845,290 km (0.091 R)
• M6: 2,051,436 km (0.083 R)
• M7: 2,272,691 km (0.029 R)
• M8: 2,918,206 km (0.069 R)
• M9: 3,079,472 km (0.091 R)
• M10: 3,295,491 km (0.039 R)
• M11: 3,419,807 km (0.069 R)
• M12: 3,547,265 km (0.072 R)
• M13: 4,439,766 km (0.101 R)
• M14: 6,774,240 km (0.083 R)
• M15: 8,314,799 km (0.086 R)
• M16: 8,452,878 km (0.088 R)
• M17: 9,215,229 km (0.096 R)
• M18: 10,550,240 km (0.074 R)
• M19: 10,712,105 km (0.111 R)
• M20: 11,489,416 km (0.116 R)
• M21: 12,970,135 km (0.088 R)
• M22: 15,387,637 km (0.1 R)
• M23: 15,526,165 km (0.087 R)
• M24: 15,805,913 km (0.111 R)
• M25: 16,811,659 km (0.053 R)
• M26: 20,332,146 km (0.103 R)
• M27: 24,502,037 km (0.094 R)
• M28: 28,367,347 km (0.1 R)
• M29: 29,848,366 km (0.112 R)
• M30: 32,505,822 km (0.034 R)
• M31: 39,052,674 km (0.119 R)
• M32: 39,569,834 km (0.089 R)
• M33: 47,590,972 km (0.102 R)
• M34: 48,180,986 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 13,502 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit